Perfluoroheptanoic acid (PFHPA)
Devens Massdevelopment
Perfluoroheptanoic acid is a member of a group of perfluorinated chemicals used in many consumer products. Perfluorinated chemicals can cause serious health effects, including cancer, endocrine disruption, accelerated puberty, liver and immune system damage, and thyroid changes. These chemicals are persistent in the environment and they accumulate in people. Click here to read more about perfluorinated chemicals.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | 3.79 ppt | 15 | 9 | ND - 9.70 ppt |
| 2019 | 1.09 ppt | 125 | 25 | ND - 13.6 ppt |
| 2020 | ND | 1 | 0 | ND |
| 2021 | 1.37 ppt | 197 | 81 | ND - 12.0 ppt |
| 2022 | 0.566 ppt | 171 | 38 | ND - 10.00 ppt |
| 2023 | 0.392 ppt | 129 | 22 | ND - 9.80 ppt |
ppt = parts per trillion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 1,000 ppt
The EWG Health Guideline of 1,000 ppt for perfluoroheptanoic acid was defined by EPA's recommended application of the toxicity value for PFHxA published in the Integrated Risk Information System’s toxicological review. This health guideline harm to fetal growth and child development.
ppt = parts per trillion
All test results
| Date | Result |
|---|---|
| 2018-02-27 | 9.60 ppt |
| 2018-02-27 | 9.70 ppt |
| 2018-02-27 | 9.70 ppt |
| 2018-05-14 | 4.50 ppt |
| 2018-05-14 | ND |
| 2018-05-14 | 4.50 ppt |
| 2018-05-14 | ND |
| 2018-08-03 | 4.47 ppt |
| 2018-08-03 | ND |
| 2018-08-03 | 4.47 ppt |
| 2018-08-03 | ND |
| 2018-10-25 | 4.96 ppt |
| 2018-10-25 | ND |
| 2018-10-25 | 4.96 ppt |
| 2018-10-25 | ND |
| 2019-02-20 | 4.78 ppt |
| 2019-02-20 | ND |
| 2019-02-20 | 4.78 ppt |
| 2019-02-20 | ND |
| 2019-05-21 | 3.01 ppt |
| 2019-05-21 | ND |
| 2019-05-21 | 7.28 ppt |
| 2019-05-21 | 3.01 ppt |
| 2019-05-21 | ND |
| 2019-08-02 | ND |
| 2019-08-02 | ND |
| 2019-08-02 | ND |
| 2019-08-20 | 3.37 ppt |
| 2019-08-20 | ND |
| 2019-08-20 | ND |
| 2019-08-20 | 3.37 ppt |
| 2019-08-20 | ND |
| 2019-09-03 | ND |
| 2019-09-03 | ND |
| 2019-09-03 | ND |
| 2019-09-03 | ND |
| 2019-09-03 | 1.93 ppt |
| 2019-09-03 | ND |
| 2019-09-03 | ND |
| 2019-09-03 | ND |
| 2019-09-03 | ND |
| 2019-09-18 | ND |
| 2019-09-18 | ND |
| 2019-09-18 | ND |
| 2019-09-18 | ND |
| 2019-09-18 | ND |
| 2019-09-18 | ND |
| 2019-09-18 | ND |
| 2019-09-18 | ND |
| 2019-09-25 | ND |
| 2019-09-25 | 12.8 ppt |
| 2019-09-25 | ND |
| 2019-09-25 | ND |
| 2019-10-02 | ND |
| 2019-10-02 | ND |
| 2019-10-02 | ND |
| 2019-10-02 | ND |
| 2019-10-02 | ND |
| 2019-10-02 | ND |
| 2019-10-02 | ND |
| 2019-10-02 | ND |
| 2019-10-02 | ND |
| 2019-10-09 | ND |
| 2019-10-09 | 13.6 ppt |
| 2019-10-09 | 2.21 ppt |
| 2019-10-09 | ND |
| 2019-10-09 | ND |
| 2019-10-09 | ND |
| 2019-10-15 | ND |
| 2019-10-15 | ND |
| 2019-10-15 | ND |
| 2019-10-15 | ND |
| 2019-10-15 | ND |
| 2019-10-15 | ND |
| 2019-10-15 | ND |
| 2019-10-15 | ND |
| 2019-10-15 | ND |
| 2019-10-23 | ND |
| 2019-10-23 | 13.6 ppt |
| 2019-10-23 | ND |
| 2019-10-23 | ND |
| 2019-10-30 | ND |
| 2019-10-30 | ND |
| 2019-10-30 | ND |
| 2019-10-30 | ND |
| 2019-10-30 | 1.73 ppt |
| 2019-10-30 | ND |
| 2019-10-30 | ND |
| 2019-10-30 | ND |
| 2019-10-30 | ND |
| 2019-11-06 | ND |
| 2019-11-06 | 12.7 ppt |
| 2019-11-06 | 1.47 ppt |
| 2019-11-06 | ND |
| 2019-11-06 | ND |
| 2019-11-06 | ND |
| 2019-11-13 | ND |
| 2019-11-13 | ND |
| 2019-11-13 | ND |
| 2019-11-13 | ND |
| 2019-11-13 | 1.87 ppt |
| 2019-11-13 | ND |
| 2019-11-13 | ND |
| 2019-11-13 | ND |
| 2019-11-13 | ND |
| 2019-11-20 | ND |
| 2019-11-20 | 8.85 ppt |
| 2019-11-20 | 3.79 ppt |
| 2019-11-20 | ND |
| 2019-11-25 | ND |
| 2019-11-25 | ND |
| 2019-11-25 | ND |
| 2019-11-25 | ND |
| 2019-11-25 | 1.23 ppt |
| 2019-11-25 | ND |
| 2019-11-25 | ND |
| 2019-11-25 | ND |
| 2019-11-25 | ND |
| 2019-12-04 | ND |
| 2019-12-04 | 10.9 ppt |
| 2019-12-04 | ND |
| 2019-12-04 | ND |
| 2019-12-04 | ND |
| 2019-12-04 | ND |
| 2019-12-11 | ND |
| 2019-12-11 | ND |
| 2019-12-11 | ND |
| 2019-12-18 | ND |
| 2019-12-18 | 13.4 ppt |
| 2019-12-18 | 2.35 ppt |
| 2019-12-18 | ND |
| 2019-12-23 | ND |
| 2019-12-23 | ND |
| 2019-12-23 | 1.01 ppt |
| 2019-12-23 | ND |
| 2019-12-23 | 1.64 ppt |
| 2019-12-23 | ND |
| 2019-12-23 | ND |
| 2019-12-23 | 1.01 ppt |
| 2019-12-23 | ND |
| 2020-07-14 | ND |
| 2021-01-06 | 0.830 ppt |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | 3.90 ppt |
| 2021-01-06 | 10.1 ppt |
| 2021-01-06 | 2.30 ppt |
| 2021-01-06 | ND |
| 2021-01-06 | 1.10 ppt |
| 2021-01-06 | 4.10 ppt |
| 2021-01-06 | 1.40 ppt |
| 2021-01-06 | ND |
| 2021-01-06 | 0.870 ppt |
| 2021-01-06 | 4.00 ppt |
| 2021-01-13 | ND |
| 2021-01-13 | ND |
| 2021-01-13 | ND |
| 2021-01-13 | ND |
| 2021-01-13 | ND |
| 2021-01-13 | ND |
| 2021-01-13 | 1.40 ppt |
| 2021-02-03 | ND |
| 2021-02-03 | ND |
| 2021-02-03 | 4.50 ppt |
| 2021-02-03 | ND |
| 2021-02-03 | ND |
| 2021-02-03 | 1.65 ppt |
| 2021-02-03 | 1.10 ppt |
| 2021-02-03 | 2.46 ppt |
| 2021-02-03 | ND |
| 2021-02-03 | 12.0 ppt |
| 2021-02-03 | 1.03 ppt |
| 2021-02-17 | ND |
| 2021-02-17 | 0.670 ppt |
| 2021-02-17 | 11.1 ppt |
| 2021-02-24 | 1.64 ppt |
| 2021-02-24 | ND |
| 2021-02-24 | ND |
| 2021-02-24 | ND |
| 2021-02-24 | ND |
| 2021-02-24 | ND |
| 2021-02-24 | ND |
| 2021-03-02 | ND |
| 2021-03-02 | 1.28 ppt |
| 2021-03-02 | 1.01 ppt |
| 2021-03-02 | 10.9 ppt |
| 2021-03-02 | ND |
| 2021-03-02 | ND |
| 2021-03-02 | 1.60 ppt |
| 2021-03-02 | ND |
| 2021-03-02 | 0.996 ppt |
| 2021-03-10 | 1.71 ppt |
| 2021-03-10 | ND |
| 2021-03-10 | ND |
| 2021-03-10 | ND |
| 2021-03-10 | ND |
| 2021-03-10 | ND |
| 2021-03-10 | ND |
| 2021-03-17 | 9.92 ppt |
| 2021-03-17 | ND |
| 2021-03-17 | 1.45 ppt |
| 2021-03-24 | ND |
| 2021-03-24 | ND |
| 2021-03-24 | ND |
| 2021-03-24 | 1.45 ppt |
| 2021-03-24 | ND |
| 2021-03-24 | ND |
| 2021-03-24 | ND |
| 2021-03-31 | 8.77 ppt |
| 2021-03-31 | ND |
| 2021-03-31 | 2.17 ppt |
| 2021-03-31 | ND |
| 2021-03-31 | ND |
| 2021-04-08 | ND |
| 2021-04-08 | ND |
| 2021-04-08 | ND |
| 2021-04-08 | ND |
| 2021-04-19 | ND |
| 2021-06-02 | ND |
| 2021-06-02 | ND |
| 2021-06-02 | ND |
| 2021-06-02 | ND |
| 2021-06-02 | ND |
| 2021-06-02 | 1.31 ppt |
| 2021-06-02 | ND |
| 2021-06-09 | 1.96 ppt |
| 2021-06-09 | 2.80 ppt |
| 2021-06-09 | ND |
| 2021-06-16 | ND |
| 2021-06-16 | 1.06 ppt |
| 2021-06-16 | ND |
| 2021-06-16 | ND |
| 2021-06-16 | ND |
| 2021-06-16 | ND |
| 2021-06-16 | ND |
| 2021-06-23 | ND |
| 2021-06-23 | 2.63 ppt |
| 2021-06-23 | ND |
| 2021-06-23 | ND |
| 2021-06-23 | 8.88 ppt |
| 2021-07-07 | ND |
| 2021-07-07 | 2.48 ppt |
| 2021-07-07 | ND |
| 2021-07-07 | 3.11 ppt |
| 2021-07-07 | 3.55 ppt |
| 2021-07-07 | 4.20 ppt |
| 2021-07-07 | 1.42 ppt |
| 2021-07-07 | 3.09 ppt |
| 2021-07-07 | 11.0 ppt |
| 2021-07-07 | 4.28 ppt |
| 2021-07-07 | 2.27 ppt |
| 2021-07-07 | 2.50 ppt |
| 2021-07-07 | 4.33 ppt |
| 2021-07-07 | 3.95 ppt |
| 2021-07-14 | ND |
| 2021-07-14 | 1.52 ppt |
| 2021-07-14 | ND |
| 2021-07-14 | ND |
| 2021-07-14 | ND |
| 2021-07-14 | ND |
| 2021-07-21 | 10.1 ppt |
| 2021-07-21 | ND |
| 2021-07-21 | ND |
| 2021-07-21 | ND |
| 2021-07-21 | 4.35 ppt |
| 2021-07-28 | ND |
| 2021-07-28 | ND |
| 2021-07-28 | ND |
| 2021-07-28 | 1.18 ppt |
| 2021-07-28 | ND |
| 2021-07-28 | ND |
| 2021-07-28 | 0.731 ppt |
| 2021-08-05 | ND |
| 2021-08-05 | 1.94 ppt |
| 2021-08-05 | 1.76 ppt |
| 2021-08-05 | 2.33 ppt |
| 2021-08-11 | 0.659 ppt |
| 2021-08-11 | ND |
| 2021-08-11 | ND |
| 2021-08-11 | ND |
| 2021-08-11 | 1.05 ppt |
| 2021-08-11 | ND |
| 2021-08-11 | ND |
| 2021-08-18 | ND |
| 2021-08-18 | 0.996 ppt |
| 2021-08-18 | ND |
| 2021-08-18 | ND |
| 2021-08-18 | 8.30 ppt |
| 2021-08-25 | ND |
| 2021-08-25 | ND |
| 2021-08-25 | ND |
| 2021-08-25 | 0.667 ppt |
| 2021-08-25 | 1.06 ppt |
| 2021-08-25 | ND |
| 2021-08-25 | ND |
| 2021-09-08 | ND |
| 2021-09-08 | ND |
| 2021-09-08 | ND |
| 2021-09-08 | ND |
| 2021-09-08 | ND |
| 2021-09-08 | ND |
| 2021-09-08 | 1.20 ppt |
| 2021-10-06 | ND |
| 2021-10-06 | 4.69 ppt |
| 2021-10-06 | ND |
| 2021-10-06 | 4.06 ppt |
| 2021-10-06 | 4.52 ppt |
| 2021-10-06 | 3.49 ppt |
| 2021-10-06 | 0.750 ppt |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | 1.08 ppt |
| 2021-10-06 | ND |
| 2021-10-06 | 3.98 ppt |
| 2021-10-06 | 1.29 ppt |
| 2021-10-06 | 3.51 ppt |
| 2021-10-06 | ND |
| 2021-10-06 | 3.18 ppt |
| 2021-10-06 | ND |
| 2021-10-06 | 4.56 ppt |
| 2021-10-06 | 2.81 ppt |
| 2021-12-02 | 3.26 ppt |
| 2021-12-02 | 4.12 ppt |
| 2021-12-02 | 4.69 ppt |
| 2021-12-02 | 2.65 ppt |
| 2021-12-02 | 3.87 ppt |
| 2021-12-02 | ND |
| 2021-12-02 | 2.50 ppt |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | 9.41 ppt |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-12 | 2.35 ppt |
| 2022-01-12 | 3.63 ppt |
| 2022-01-12 | 4.40 ppt |
| 2022-01-12 | 2.91 ppt |
| 2022-01-12 | 1.33 ppt |
| 2022-01-12 | 0.692 ppt |
| 2022-01-12 | 3.91 ppt |
| 2022-01-12 | 3.13 ppt |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-09 | 0.965 ppt |
| 2022-02-09 | 3.04 ppt |
| 2022-02-09 | 3.45 ppt |
| 2022-02-09 | 2.97 ppt |
| 2022-02-09 | 3.52 ppt |
| 2022-02-09 | 3.22 ppt |
| 2022-02-09 | 1.51 ppt |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | 0.810 ppt |
| 2022-03-09 | ND |
| 2022-03-16 | 2.60 ppt |
| 2022-03-16 | 3.00 ppt |
| 2022-03-16 | 4.20 ppt |
| 2022-03-16 | 1.40 ppt |
| 2022-03-16 | ND |
| 2022-03-16 | 3.80 ppt |
| 2022-03-16 | 3.70 ppt |
| 2022-04-13 | ND |
| 2022-04-13 | ND |
| 2022-04-13 | 1.50 ppt |
| 2022-04-13 | ND |
| 2022-04-13 | ND |
| 2022-04-13 | ND |
| 2022-04-13 | ND |
| 2022-04-13 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | 1.000 ppt |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2022-05-04 | ND |
| 2022-05-04 | ND |
| 2022-05-04 | ND |
| 2022-05-04 | ND |
| 2022-05-04 | 2.60 ppt |
| 2022-05-04 | ND |
| 2022-05-04 | ND |
| 2022-05-04 | ND |
| 2022-05-16 | ND |
| 2022-05-16 | 1.10 ppt |
| 2022-05-16 | ND |
| 2022-05-16 | ND |
| 2022-05-16 | ND |
| 2022-05-16 | ND |
| 2022-05-16 | ND |
| 2022-05-27 | 10.00 ppt |
| 2022-05-27 | ND |
| 2022-06-08 | 2.00 ppt |
| 2022-06-08 | ND |
| 2022-06-08 | 0.670 ppt |
| 2022-06-08 | ND |
| 2022-06-08 | ND |
| 2022-06-08 | ND |
| 2022-06-08 | ND |
| 2022-06-08 | 0.790 ppt |
| 2022-06-14 | ND |
| 2022-06-14 | ND |
| 2022-06-14 | ND |
| 2022-06-14 | ND |
| 2022-06-14 | ND |
| 2022-06-14 | ND |
| 2022-06-14 | ND |
| 2022-07-13 | ND |
| 2022-07-13 | 0.690 ppt |
| 2022-07-13 | ND |
| 2022-07-13 | ND |
| 2022-07-13 | ND |
| 2022-07-20 | ND |
| 2022-07-20 | ND |
| 2022-07-20 | ND |
| 2022-07-20 | ND |
| 2022-07-20 | ND |
| 2022-07-20 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-18 | ND |
| 2022-08-18 | ND |
| 2022-08-18 | ND |
| 2022-08-18 | ND |
| 2022-08-18 | 1.20 ppt |
| 2022-08-18 | ND |
| 2022-08-18 | ND |
| 2022-09-01 | ND |
| 2022-09-01 | ND |
| 2022-09-07 | ND |
| 2022-09-07 | ND |
| 2022-09-07 | ND |
| 2022-09-07 | ND |
| 2022-09-07 | ND |
| 2022-09-07 | ND |
| 2022-09-07 | ND |
| 2022-09-14 | ND |
| 2022-09-14 | ND |
| 2022-09-14 | ND |
| 2022-09-14 | ND |
| 2022-09-14 | ND |
| 2022-09-14 | ND |
| 2022-10-05 | ND |
| 2022-10-05 | ND |
| 2022-10-05 | ND |
| 2022-10-05 | ND |
| 2022-10-12 | ND |
| 2022-10-12 | ND |
| 2022-10-12 | ND |
| 2022-10-12 | 1.20 ppt |
| 2022-10-12 | ND |
| 2022-10-12 | ND |
| 2022-10-12 | ND |
| 2022-11-02 | ND |
| 2022-11-02 | ND |
| 2022-11-02 | ND |
| 2022-11-02 | ND |
| 2022-11-02 | 0.660 ppt |
| 2022-11-02 | ND |
| 2022-11-10 | ND |
| 2022-11-10 | 0.770 ppt |
| 2022-11-10 | ND |
| 2022-11-10 | ND |
| 2022-11-10 | ND |
| 2022-11-10 | 1.80 ppt |
| 2022-11-10 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | 0.810 ppt |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2023-01-11 | ND |
| 2023-01-11 | 9.80 ppt |
| 2023-01-11 | ND |
| 2023-01-18 | 1.30 ppt |
| 2023-01-18 | 1.30 ppt |
| 2023-01-18 | ND |
| 2023-01-18 | ND |
| 2023-01-18 | ND |
| 2023-01-18 | 3.90 ppt |
| 2023-01-18 | ND |
| 2023-01-18 | ND |
| 2023-02-03 | ND |
| 2023-02-03 | ND |
| 2023-02-14 | 2.50 ppt |
| 2023-02-14 | ND |
| 2023-02-14 | ND |
| 2023-02-14 | 0.880 ppt |
| 2023-02-14 | ND |
| 2023-02-14 | ND |
| 2023-02-14 | 1.60 ppt |
| 2023-02-24 | ND |
| 2023-02-24 | ND |
| 2023-02-24 | ND |
| 2023-02-24 | 2.20 ppt |
| 2023-02-24 | ND |
| 2023-03-01 | ND |
| 2023-03-01 | ND |
| 2023-03-01 | ND |
| 2023-03-01 | ND |
| 2023-03-01 | ND |
| 2023-03-01 | ND |
| 2023-03-08 | 1.90 ppt |
| 2023-03-08 | 2.00 ppt |
| 2023-03-08 | 0.940 ppt |
| 2023-03-08 | ND |
| 2023-03-08 | ND |
| 2023-03-08 | ND |
| 2023-03-08 | ND |
| 2023-04-04 | ND |
| 2023-04-04 | ND |
| 2023-04-04 | ND |
| 2023-04-06 | 0.966 ppt |
| 2023-04-06 | ND |
| 2023-04-06 | 1.97 ppt |
| 2023-04-06 | ND |
| 2023-04-06 | 1.94 ppt |
| 2023-04-06 | ND |
| 2023-04-06 | ND |
| 2023-04-19 | ND |
| 2023-04-19 | 0.828 ppt |
| 2023-04-19 | ND |
| 2023-04-19 | ND |
| 2023-04-19 | ND |
| 2023-04-19 | ND |
| 2023-04-28 | ND |
| 2023-04-28 | ND |
| 2023-04-28 | 9.06 ppt |
| 2023-05-03 | ND |
| 2023-05-03 | 0.857 ppt |
| 2023-05-03 | ND |
| 2023-05-12 | ND |
| 2023-05-26 | ND |
| 2023-06-07 | ND |
| 2023-06-07 | 0.839 ppt |
| 2023-06-07 | ND |
| 2023-06-07 | ND |
| 2023-06-09 | ND |
| 2023-06-23 | ND |
| 2023-07-07 | ND |
| 2023-07-11 | ND |
| 2023-07-11 | ND |
| 2023-07-11 | ND |
| 2023-07-11 | ND |
| 2023-07-18 | ND |
| 2023-07-21 | ND |
| 2023-08-04 | ND |
| 2023-08-08 | ND |
| 2023-08-08 | ND |
| 2023-08-08 | ND |
| 2023-08-08 | 0.652 ppt |
| 2023-08-08 | ND |
| 2023-08-18 | ND |
| 2023-09-01 | ND |
| 2023-09-01 | ND |
| 2023-09-19 | ND |
| 2023-09-19 | ND |
| 2023-09-19 | ND |
| 2023-09-19 | ND |
| 2023-09-19 | ND |
| 2023-09-19 | ND |
| 2023-09-29 | ND |
| 2023-09-29 | ND |
| 2023-10-04 | ND |
| 2023-10-04 | ND |
| 2023-10-05 | 3.70 ppt |
| 2023-10-05 | ND |
| 2023-10-13 | ND |
| 2023-10-19 | ND |
| 2023-10-19 | ND |
| 2023-10-19 | ND |
| 2023-10-19 | ND |
| 2023-10-27 | ND |
| 2023-10-27 | ND |
| 2023-11-07 | 1.20 ppt |
| 2023-11-07 | ND |
| 2023-11-07 | ND |
| 2023-11-07 | ND |
| 2023-11-09 | ND |
| 2023-11-09 | ND |
| 2023-11-09 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-12-08 | ND |
| 2023-12-14 | ND |
| 2023-12-14 | ND |
| 2023-12-14 | ND |
| 2023-12-14 | ND |
| 2023-12-14 | ND |
| 2023-12-14 | ND |
| 2023-12-14 | ND |
| 2023-12-22 | ND |
| 2023-12-22 | 0.300 ppt |